AMARIN CORP PLC\UK — Director's Dealing 2017

Jul 3, 2017

SEC Form 4 — Statement of Changes in Beneficial Ownership

Issuer: AMARIN CORP PLC\UK (AMRN)
CIK: 0000897448
Period of Report: 2017-05-15

Reporting Person: Ketchum Steven B (Chief Scientific Officer)

Derivative Transactions

Date	Security	Exercise Price	Code	Shares	A/D	Expiration	Underlying	Ownership
2017-05-15	Restricted Stock Units	$0.00	A	87000	Acquired		Ordinary Shares (87000)	Direct

Footnotes

F1: Each RSU represents a contingent right to receive one Ordinary Share or cash in lieu thereof at the Issuer's discretion.

F2: On February 1, 2017, the Reporting Person was granted 87,000 restricted stock units (the "RSUs") under the Amarin Corporation plc 2011 Stock Incentive Plan (the "Plan"). These RSUs were subject to the approval by the Company's shareholders of an amendment to the Plan, which amendment was approved on May 15, 2017, and were previously disclosed in the Company's definitive proxy statement on Schedule 14A filed with the Securities and Exchange Commission on April 21, 2017. These RSUs vest in three equal installments on each of January 31, 2018, January 31, 2019 and January 31, 2020.

F3: Not Applicable.

F4: The Ordinary Shares may be represented by American Depositary Shares, each of which currently represents one Ordinary Share.